m+7+6m=-21

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Solution for m+7+6m=-21 equation:


Simplifying
m + 7 + 6m = -21

Reorder the terms:
7 + m + 6m = -21

Combine like terms: m + 6m = 7m
7 + 7m = -21

Solving
7 + 7m = -21

Solving for variable 'm'.

Move all terms containing m to the left, all other terms to the right.

Add '-7' to each side of the equation.
7 + -7 + 7m = -21 + -7

Combine like terms: 7 + -7 = 0
0 + 7m = -21 + -7
7m = -21 + -7

Combine like terms: -21 + -7 = -28
7m = -28

Divide each side by '7'.
m = -4

Simplifying
m = -4

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